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1991 Isuzu Trooper

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1991 Isuzu Trooper do not stand out strongly from the model-year median of 25.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 57 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Wheels. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports15 fire reports3 injury reports

Electrical System complaints

7 reports
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Mileage unknown · Jun 18, 1999
Electrical SystemFire

I HAVE HAD A HISTORY (DOCUMENTED) OF ELECTRICAL/TRANSMISSION PROBLEMS WITH MY 1991 ISUZU TROOPER. ON 11/95, A FAULTY COMPUTER CONTROL PANEL CAUSED MY TRANSMISSION TO FAIL. I HAD A WEEK LEFT ON MY POWERTRAIN WARRANTY. TOOK THE VEHICLE TO ISUZU SANTA MONICA. THEY REPLACED THE COMPUTER PANEL UNDER WARRANTY ON 11/95. 15 MONTHS …

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I HAVE HAD A HISTORY (DOCUMENTED) OF ELECTRICAL/TRANSMISSION PROBLEMS WITH MY 1991 ISUZU TROOPER. ON 11/95, A FAULTY COMPUTER CONTROL PANEL CAUSED MY TRANSMISSION TO FAIL. I HAD A WEEK LEFT ON MY POWERTRAIN WARRANTY. TOOK THE VEHICLE TO ISUZU SANTA MONICA. THEY REPLACED THE COMPUTER PANEL UNDER WARRANTY ON 11/95. 15 MONTHS LATER, MY TRANSMISSION WAS FAILING AGAIN. SAME SYMPTOMS. THIS TIME, I SPENT $2,000 TO HAVE IT REPAIRED. ISUZU REFUSED TO TAKE RESPONSIBILITY. ON 6/12/99, WITHOUT WARNING, THE ENGINE STARTED SMOKING AND WITHIN SECONDS THE ENTIRE ENGINE WAS ON FIRE. THE FIRE DEPT. CAME AND PUT OUT THE FIRE. NOW THE TRUCK IS COMPLETELY TOTALED. I AM IN THE MIDST OF HAVING INSURANCE INSPECTORS DETERMINE THE CAUSE OF FIRE. I HAVE ALL OF MY SERVICE RECORDS FOR THE VEHICLE. IT WAS KEPT IN EXCELLENT CONDITION.

NHTSA ODI #707676

Mileage unknown · Jun 17, 1999
Electrical SystemFireInjury

I JUST EXITED THE HOLLYWOOD FREEWAY WHEN SUDDENLY WITHOUT WARNING THE 1991 ISUZU TROOPER CAUGHT ON FIRE. I WAS ABLE TO GET TO THE SIDE OF THE ROAD, AND GET OUT.THE FIRE APPEARED TO BE UNDERNEATH THE TRUCK WITH GAS OR SOME OTHER LIQUID POURING OUT. THE PASSENGER SIDE FRONT TIRE MELTED AND EXPLODED, THEN THERE WAS A SECOND EXPLOSI…

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I JUST EXITED THE HOLLYWOOD FREEWAY WHEN SUDDENLY WITHOUT WARNING THE 1991 ISUZU TROOPER CAUGHT ON FIRE. I WAS ABLE TO GET TO THE SIDE OF THE ROAD, AND GET OUT.THE FIRE APPEARED TO BE UNDERNEATH THE TRUCK WITH GAS OR SOME OTHER LIQUID POURING OUT. THE PASSENGER SIDE FRONT TIRE MELTED AND EXPLODED, THEN THERE WAS A SECOND EXPLOSION. ALL THE PARTS OF THE ENGINE, BATTERY ETC. WERE IN FLAMES. TWO FIRE TRUCKS AND POLICE CARS WERE DIPATCHED. IT WAS A VERY BIG BLAZE. THE TRUCK HAS BEEN DECLARED A TOTAL LOSS. OUR INSURANCE COMPNAY CANNOT DETERMINE WHAT CAUSED THE FIRE SINCE THE DAMAGE IS SO EXTENSIVE. PLEASE HELP. I AM NOT SURE HOW TO PROCEED. I'D LIKE TO WARN OTHER OWNERS OF THIS VEHICLE AND CONTACT ISUZU. SO FAR, THEY HAVE NOT RETURNED MY PHONE CALLS.

NHTSA ODI #707651

Mileage unknown · May 6, 1997
Electrical SystemPower Train

TRANSMISSION FAILED DUE TO ELECTRICAL SHORT.

NHTSA ODI #516929

Mileage unknown · Jul 10, 1996
Electrical SystemFuel System, Gasoline

THE WIRE DISCONNECTED AND CORRODED FOR THE FUEL PUMP. *AK

NHTSA ODI #986692

Mileage unknown · May 30, 1996
Electrical SystemEngine And Engine CoolingExterior LightingFire

UNDER HOOD FIRE, CAUSE UNKNOWN. *AK CONSUMER STATES THERE WAS NO COLLSION, NO WARNING, LIGHTS ON THE PANEL WERE ACTIVATED AND THERE WAS NO SUDDEN ACCELERATION.DECELERATION NOTICED, NO NOISES, CONSUMER WAS AT STOP LIGHT AND NOTICED BLACK SMOK FROM THE ENGINE AND HE PROMPTLY TURNED OFF ENGINE AND RELEASED THE HOOD, CONSUMER …

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UNDER HOOD FIRE, CAUSE UNKNOWN. *AK CONSUMER STATES THERE WAS NO COLLSION, NO WARNING, LIGHTS ON THE PANEL WERE ACTIVATED AND THERE WAS NO SUDDEN ACCELERATION.DECELERATION NOTICED, NO NOISES, CONSUMER WAS AT STOP LIGHT AND NOTICED BLACK SMOK FROM THE ENGINE AND HE PROMPTLY TURNED OFF ENGINE AND RELEASED THE HOOD, CONSUMER OBSERVED THE FIRE IN ITS ENTIRETY, STARTING FROM THE ENGINE MOVING TO THE BACK OF THE VEHICLE PRIOR TO INCIDENT CONSUMER HAD NUMEROUS PROBLEMS RIGHT REAR BUMPER, BRAKE LIGHTS WERE NOT WORKING FUSES HAD TO BE REPLACED, REAR ARM REST, ENTIRE HYDRALIC SYSTEM NEEDED TO BE REPLACED ROTORS WARPED, EXHAUST WAS SLIGHTLY BENT, MOUNTS WERE BALANCED, BACK SEAT SLIDE FOWARD WHEN BRAKES ARE BEING APPLIED, RIGHT HEAD LIGHT INOPERABLE, SIDE TURN SIGNAL INOPERABLE, FUEL INJECTION SERVICED..*JB

NHTSA ODI #985059

Mileage unknown · Dec 31, 1995
Electrical System

ELECTRICAL INSULATOR ON THE POSITIVE WIRE CRACKED, ALLOWING MOISTURE/SALT TO CORRODE WIRE, RESULTING IN FUEL PUMP BRACKET FAILURE. *AK

NHTSA ODI #490604

Mileage unknown · Sep 8, 1995
Electrical SystemFire

TRANSMISSION HARNESS WIRES SHORTED, CAUSING FIRE. *DSH

NHTSA ODI #483849

Official recalls

2

90V166000 · Engine And Engine Cooling:cooling System:hoses/lines/piping/fittings

Sep 20, 1990

IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.

Consequence & remedy

Consequence: ENGINE OIL COULD LEAK OUT WITH POTENTIAL FOR ENGINESEIZURE AND DAMAGE AND COULD RESULT IN A FIRE.

Remedy: PROPERLY INSTALL COOLER HOSE CLIP TO PREVENT CONTACT WITH EXHAUST MANIFOLD.

90V167000 · Power Train:automatic Transmission

Sep 20, 1990

PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.

Consequence & remedy

Consequence: THIS COULD CAUSE SMOKE EMISSION FROM THE MANIFOLD, WHICHCOULD IGNITE RUBBER HOSES AND RESULT IN A FIRE.

Remedy: REPLACE OIL LEVEL GAUGE AND NOTIFY OWNERS TO USE ONLY THE SPECIFIED AMOUNT OF AUTOMATIC TRANSMISSION FLUID.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

5

DP92015 · Engine Compartment Fires

Opened Jul 30, 1992 · Closed Nov 25, 1992

Status: closed (inferred from source dates) · Engine And Engine Cooling

ENGINE COMPARTMENT FIRES

EA92018 · Heater Core Failure

Opened Jun 2, 1992 · Closed Apr 2, 1993

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

There is no summary currently available

DP92005 · Defective Heater Cores

Opened Mar 3, 1992 · Closed Jun 2, 1992

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

DEFECTIVE HEATER CORES

EA91033 · Rear Door Hinge Separation

Opened Jul 15, 1991 · Closed Jul 28, 1992

Status: closed (inferred from source dates) · Structure

There is no summary currently available

PE91046 · Rear Door Hinge Separation

Opened Feb 19, 1991 · Closed Jul 15, 1991

Status: closed (inferred from source dates) · Structure

There is no summary currently available